<!--  -->
<template>
    <div class="box" ref="box">
        {{ countRef.count }}
    </div>
</template>

<script setup lang="ts">
import { ref, reactive, onMounted, toRefs, computed } from "vue";
    let count = ref(10)
    let countRef = reactive({
        count
    })
</script>
<style scoped>

</style>